Problem With giving hosting to domains

When I give my site hosting , it never comes up. The name servers are correctly registered and they update but they just never come online. The temporary link works but it just never connects to the domain. Do I have to allow anything on my server , or what should I do to fix this problem ?

When I give my site hosting , it never comes up. The name servers are correctly registered and they update but they just never come online. The temporary link works but it just never connects to the domain. Do I have to allow anything on my server , or what should I do to fix this problem ?

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Have you checked if the name service bind is running on your server. You can check it's status by command /etc/init.d/named status and restart it with the command /etc/init.d/named restart.